2,194 open source STM32 boards
STMicroelectronics' Arm Cortex-M family, from the STM32F0 to the H7, plus STM8. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
STM321016-Breadboard-Power-Supply
wilsondr9999
52.3 × 50.3 mm61 parts2LAGPL-3.013
STM32DCServo
Alex-C-EE
40 × 40 mm57 parts4LNo license13
STM32JBclone soldering station
Minu-IU3IRR
65 × 100 mm52 parts2LNo license13
STM32Battery-Powered-STM32-Board-With-USB
mohamedboubaker
50 × 50 mm48 parts2LMIT13
STM32Ice40 stm32 fsmc test
knielsen
76.2 × 48 mm42 parts2LNo license13
STM32Mini motor controller
Jana-Marie
28.2 × 24.5 mm39 parts2LCERN-OHL-S-2.013
STM32BB3plus mainboard
eez-open
233 × 230.5 mm353 parts4LTAPR-OHL-1.012
STM32Panel board
ReflexCreations
281 × 195 mm305 parts4LMIT12
STM32Integralstick
azonenberg
87 × 59.8 mm266 parts4LBSD-3-Clause12
STM32Stm32 mech keyboard
julbouln
285 × 94.6 mm233 parts2LNo license12
STM32Kottoruwa hardware
bandakkalokka
317.5 × 134.6 mm229 parts4LGPL-3.012
STM32Marbles v70
mort13
88.9 × 106.1 mm207 parts2LGPL-3.012
STM32Asynchronous-SPDIF-Mixer
DADDesign-Projects
100 × 84 mm136 parts2LMIT12
STM32Vault35-katana sk6812
josh-l-wang
209.7 × 76.4 mm135 parts2LMIT12
STM32Midi fader
kcuzner
73.7 × 78.7 mm91 parts2LApache-2.012
STM32MidiMonger components
dchwebb
40 × 100 mm64 parts2LNo license12
STM32MorphWatch-STM32
deebot
33.8 × 46 mm63 parts4LNo license12
STM32H7value
martinribelotta
63.5 × 73.7 mm60 parts2LNo license12
STM32Wifi iot core hw
genuine-engineering
31.8 × 58.4 mm45 parts2LNo license12
STM32OpenSkySim
shaise
36 × 20 mm33 parts2LLGPL-2.112- schematic only · 32 partsSTM32
Deeperc
deeperc
32 partsApache-2.012 
STM32Nack
farfalleflickan
247.7 × 84 mm240 parts2LAGPL-3.011
STM32Motherboard
JacobParent7
115 × 125 mm232 parts4LNo license11
STM32STM60-Keyboard
yangdigi
285 × 94.6 mm172 parts2LNo license11
STM32OwmBoard
kanengomibako
55.4 × 66 mm158 parts2LUnlicense11
STM32Coaster backboard
93 × 93 mm126 parts2LNo license11
STM32Gpsfreak
rcls
79.8 × 47.2 mm124 parts4LGPL-3.011
STM32Hx4k pmod
rschlaikjer
100 × 55 mm97 parts2LMIT11
STM32PIP-WATCH ZERO
jsyk
80 × 35 mm74 parts2LNo license11
STM32Spalax
cuspaceflight
77.2 × 49.8 mm73 parts2LNo license11
STM32LineFollower-Kwark
konrad1s
139.7 × 41.3 mm70 parts4LMIT11
STM32LEL-Detector
citrineio
77.1 × 40 mm65 parts4LNo license11
STM3253xLIDAR
valerionew
75.4 × 75.4 mm57 parts2LNo license11
STM32Simple sdr
pd0wm
79.8 × 23.9 mm49 parts2LMIT11
STM32Basic STM32 Bluepill
flamerten
43 × 34 mm28 parts2LNo license11
STM32STM32F030K6
r-pv
22 × 41 mm23 parts2LGPL-3.011
Browse boards by part
AMS1117-3.3 899USBLC6-2SC6 763RP2040 566W25Q128JVS 345AP2112K-3.3 273TL072 269TL074 250ESP32-S3-WROOM-1 229CH340C 221L7805 208Pico 19274HC595 185USBLC6-2P6 174LM358 16874LS04 160SRV05-4 158AP2112K-3.3TRG1 154ESP32-WROOM-32 15374LS245 14474LS138 138W25Q128JVSIQ 135Arduino_Nano_v3.x 13474LS00 133TP4056 130